摘要
从环保性、安全性、工质热力学性质等角度出发,选择了R14/R170/R600a和R14/R23/R600a两种三元混合工质,并将其分别记为RC1和RC2,采用遗传算法确定了各组元的最佳摩尔浓度配比;对两种三元混合工质在相同工况的林德循环系统中的性能参数进行了对比研究,通过比较混合工质的等温节流效应、压缩机吸排气温度和压力、箱内降温情况等方面,探究两种三元混合工质的制冷性能。实验和分析结果表明,在压缩机运行参数、箱内温度、制冷量、COP、环保性等方面,RC2优于RC1。
From the perspectives of environmental protection,safety and thermodynamic properties of pure refrigerants,two kinds of three-element mixed refrigerants were selected,R14/R170/R600a and R14/R23/R600a,which were recorded as RC1 and RC2 respectively.The optimal molar concentration ratio of each element was determined by genetic algorithm.The performance parameters of the two ternary mixed refrigerants in Linde cycle system under the same working condition were compared by analysing the isothermal throttling effect of the mixture,the suction and exhaust temperature and pressure of the compressor,and the cooling situation in the cabinet.The results show that RC2 is superior to RC1 in compressor operating parameters,temperature in the cabinet,cooling capacity,COP and environmental protection.
作者
张英波
刘斌
刘昊东
陈伟林
张云照
Zhang Yingbo;Liu Bin;Liu Haodong;Chen Weilin;Zhang Yunzhao(Key Lab of Agricultural Products Low Carbon Cold Chain of Ministry of Agriculture and Rural Affairs,Tianjin Key Lab of Refrigeration Technology,Tianjin University of Commerce,Tianjin 300134,China;Beijing University of Aeronautics and Astronautics,Beijing 100191,China)
出处
《低温与超导》
CAS
北大核心
2024年第4期88-94,共7页
Cryogenics and Superconductivity
基金
天津市科技计划项目(20JCQNJC00600)资助。
关键词
三元
混合工质
遗传算法
林德制冷循环
一次节流制冷循环
Ternary
Mixed refrigerants
Genetic algorithm
Linde cycle refrigeration
Single-throttling refrigeration
